package com.example.hp.fragmenttest217ybh.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.hp.fragmenttest217ybh.R;
import com.example.hp.fragmenttest217ybh.bean.ArticleBean;


import com.squareup.picasso.Picasso;


import java.util.List;

import static android.R.id.list;

/**
 * Created by HP on 2017/4/12.
 */

public class ArticleAdapter extends RecyclerView.Adapter<ArticleAdapter.ViewHolder> {
    private Context context;
    private LayoutInflater layoutInflater;//动态加载布局
    private List<ArticleBean> list;
    //自定义构造方法，传上下文
    public ArticleAdapter(Context context) {
        this.context=context;
        layoutInflater=LayoutInflater.from(this.context);
    }
//传进数据源
    public void setList(List<ArticleBean> list){
        this.list=list;
    }
    //自定义：viewholder
    public class ViewHolder extends RecyclerView.ViewHolder{
        ImageView imageView;
        TextView tvtitle,tvdescript,tvtime;
        Button button;

        public ViewHolder(View itemView) {

            super(itemView);
            imageView=(ImageView)itemView.findViewById(R.id.imageView);
            tvtitle=(TextView) itemView.findViewById(R.id.textView);
            tvdescript=(TextView) itemView.findViewById(R.id.textView2);
            tvtime=(TextView) itemView.findViewById(R.id.textView3);
            button=(Button) itemView.findViewById(R.id.button);
        }
    }
    //为了每个item生成对应的View
    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v=LayoutInflater.from(parent.getContext()).inflate((R.layout.item),parent,false);
        return new ViewHolder(v);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, final int position) {
     ArticleBean articleBean=list.get(position);//取出list一条数据
        if (articleBean==null)
            return;
       // holder.imageView.setImageResource(articleBean.getImgid());
        holder.tvtitle.setText(articleBean.getName());
        holder.tvdescript.setText(articleBean.getDescription());
        holder.tvtime.setText(articleBean.getUpdata_time());
        //给条目中的按钮设置监听器
        Picasso.with(context)
                .load("http://amicool.neusoft.edu.cn/Uploads/"
                        +articleBean.getThumb())
                .placeholder(R.mipmap.ic_launcher)
                .into(holder.imageView);
        holder.button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                list.remove(position);//实际上操作数据库
                notifyDataSetChanged();
            }
        });
        //条目整体的的点击事件
        holder.imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //获取当前目录ID
                int id=list.get(position).getId();
                Toast.makeText(context, ""+id, Toast.LENGTH_SHORT).show();
            }
        });
    }

    @Override

    public int getItemCount() {
        if (list==null) return 0;
        return list.size();
    }
}
